MAX660MX

Voltage Regulators - DC DC Switching Regulators Overview

The MAX660MX is a CMOS switched capacitor voltage converter manufactured by Texas Instruments. It operates as a charge pump to convert positive input voltages ranging from 1.5 V to 5.5 V into corresponding negative output voltages between -1.5 V and -5.5 V. The device delivers an output current of 100 mA using two external capacitors, eliminating the need for inductors. It features a selectable oscillator frequency between 10 kHz and 80 kHz and draws 1 mA of quiescent supply current. The component is housed in an SOIC-8 package and functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Converts positive input voltages to negative outputs without requiring inductors
• Provides up to 100 mA output current using only two external capacitors
• Features selectable oscillator frequencies for flexible switching speed control

Voltage Regulators - DC DC Switching Regulators Applications

• RS-232 transceiver bias voltage generation
• Op amp dual supply creation
• EEPROM programming voltage generation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'MX' against the manufacturer's official datasheet to confirm the tape-and-reel packaging configuration and ensure it matches the required surface-mount assembly process. Confirm that the NOPB designation indicates lead-free compliance if RoHS standards are mandatory for the project. Cross-reference the pinout diagram with the target PCB footprint to prevent installation errors during assembly.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution for generating negative rails from a single positive source is required. It is suitable for applications where inductor size or magnetic interference is a constraint. Ensure the load current does not exceed 100 mA and that the input voltage remains within the specified 1.5 V to 5.5 V range for proper regulation and efficiency.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MAX660 family of switched capacitor converters. It is designed for low-cost, space-constrained power management tasks. The device integrates the charge pump circuitry on a single CMOS die, offering a simple alternative to traditional inductive DC-DC converters for moderate current requirements.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for MAX660M/NOPB for the same electrical specifications in a tube package. Verify compatibility with other MAX660 variants if different packaging or slight parameter variations are acceptable.